From 2f13decc496002a0a0c1cedc22f02a9cbfaf5d66 Mon Sep 17 00:00:00 2001 From: Hans Baier Date: Fri, 7 Apr 2023 09:27:03 +0700 Subject: [PATCH] stlv7325: make VCCIO configurable --- litex_boards/platforms/sitlinv_stlv7325.py | 511 +++++++++++---------- litex_boards/targets/sitlinv_stlv7325.py | 5 +- 2 files changed, 261 insertions(+), 255 deletions(-) diff --git a/litex_boards/platforms/sitlinv_stlv7325.py b/litex_boards/platforms/sitlinv_stlv7325.py index 53309d2..da67bb4 100644 --- a/litex_boards/platforms/sitlinv_stlv7325.py +++ b/litex_boards/platforms/sitlinv_stlv7325.py @@ -13,273 +13,276 @@ from litex.build.openocd import OpenOCD # IOs ---------------------------------------------------------------------------------------------- -_io = [ - # Clk / Rst - ("cpu_reset_n", 0, Pins("AC16"), IOStandard("LVCMOS15")), +def _get_io(voltage="2.5V"): + assert voltage in ["2.5V", "3.3V"] + VCCIO = str(25 if voltage == "2.5V" else 33) + _io = [ + # Clk / Rst + ("cpu_reset_n", 0, Pins("AC16"), IOStandard("LVCMOS15")), - ("clk100", 0, Pins("F17"), IOStandard("LVCMOS25")), - ("clk200", 0, - Subsignal("p", Pins("AB11"), IOStandard("DIFF_SSTL15")), - Subsignal("n", Pins("AC11"), IOStandard("DIFF_SSTL15")) - ), - ("clk156", 0, # TODO verify / test (in docs) - Subsignal("p", Pins("D6"), IOStandard("LVDS")), - Subsignal("n", Pins("D5"), IOStandard("LVDS")), - ), - ("clk150", 0, # TODO verify / test (in docs) - Subsignal("p", Pins("F6"), IOStandard("LVDS")), - Subsignal("n", Pins("F5"), IOStandard("LVDS")), - ), + ("clk100", 0, Pins("F17"), IOStandard("LVCMOS" + VCCIO)), + ("clk200", 0, + Subsignal("p", Pins("AB11"), IOStandard("DIFF_SSTL15")), + Subsignal("n", Pins("AC11"), IOStandard("DIFF_SSTL15")) + ), + ("clk156", 0, # TODO verify / test (in docs) + Subsignal("p", Pins("D6"), IOStandard("LVDS")), + Subsignal("n", Pins("D5"), IOStandard("LVDS")), + ), + ("clk150", 0, # TODO verify / test (in docs) + Subsignal("p", Pins("F6"), IOStandard("LVDS")), + Subsignal("n", Pins("F5"), IOStandard("LVDS")), + ), - # Leds - ("user_led_n", 0, Pins("AA2"), IOStandard("LVCMOS15")), - ("user_led_n", 1, Pins("AD5"), IOStandard("LVCMOS15")), - ("user_led_n", 2, Pins("W10"), IOStandard("LVCMOS15")), - ("user_led_n", 3, Pins("Y10"), IOStandard("LVCMOS15")), - ("user_led_n", 4, Pins("AE10"), IOStandard("LVCMOS15")), - ("user_led_n", 5, Pins("W11"), IOStandard("LVCMOS15")), - ("user_led_n", 6, Pins("V11"), IOStandard("LVCMOS15")), - ("user_led_n", 7, Pins("Y12"), IOStandard("LVCMOS15")), + # Leds + ("user_led_n", 0, Pins("AA2"), IOStandard("LVCMOS15")), + ("user_led_n", 1, Pins("AD5"), IOStandard("LVCMOS15")), + ("user_led_n", 2, Pins("W10"), IOStandard("LVCMOS15")), + ("user_led_n", 3, Pins("Y10"), IOStandard("LVCMOS15")), + ("user_led_n", 4, Pins("AE10"), IOStandard("LVCMOS15")), + ("user_led_n", 5, Pins("W11"), IOStandard("LVCMOS15")), + ("user_led_n", 6, Pins("V11"), IOStandard("LVCMOS15")), + ("user_led_n", 7, Pins("Y12"), IOStandard("LVCMOS15")), - # Buttons - ("user_btn_n", 0, Pins("AC16"), IOStandard("LVCMOS15")), - ("user_btn_n", 0, Pins("C24"), IOStandard("LVCMOS33")), # J4 jumper 2.5V or 3.3V + # Buttons + ("user_btn_n", 0, Pins("AC16"), IOStandard("LVCMOS15")), + ("user_btn_n", 0, Pins("C24"), IOStandard("LVCMOS33")), # J4 jumper 2.5V or 3.3V - # I2C / AT24C04 - ("i2c", 0, - Subsignal("scl", Pins("U19")), - Subsignal("sda", Pins("U20")), - IOStandard("LVCMOS25") - ), + # I2C / AT24C04 + ("i2c", 0, + Subsignal("scl", Pins("U19")), + Subsignal("sda", Pins("U20")), + IOStandard("LVCMOS" + VCCIO) + ), - # Serial - ("serial", 0, - Subsignal("tx", Pins("M25")), # CH340_TX - Subsignal("rx", Pins("L25")), # CH340_RX - IOStandard("LVCMOS25") - ), + # Serial + ("serial", 0, + Subsignal("tx", Pins("M25")), # CH340_TX + Subsignal("rx", Pins("L25")), # CH340_RX + IOStandard("LVCMOS" + VCCIO) + ), - # DDR3 SDRAM - ("ddram", 0, - Subsignal("a", Pins( - "AB7 AD11 AA8 AF10 AC7 AE11 AC8 AD8", - "AC13 AF12 AF9 AD10 AE13 AF7 AB12 AC12"), - IOStandard("SSTL15")), - Subsignal("ba", Pins("AE8 AA7 AF13"), IOStandard("SSTL15")), - Subsignal("ras_n", Pins("Y7"), IOStandard("SSTL15")), - Subsignal("cas_n", Pins("AE7"), IOStandard("SSTL15")), - Subsignal("we_n", Pins("AF8"), IOStandard("SSTL15")), - Subsignal("cs_n", Pins("AA13"), IOStandard("SSTL15")), - Subsignal("dm", Pins( - "AD16 AB16 AB19 V17 U1 AA3 AD6 AE1"), - IOStandard("SSTL15")), - Subsignal("dq", Pins( - "AF17 AE17 AF15 AF14 AE15 AD15 AF20 AF19", - "AA15 AA14 AC14 AD14 AB14 AB15 AA18 AA17", - "AC18 AD18 AC17 AB17 AA20 AA19 AD19 AC19", - " W14 V14 V19 V18 V16 W15 W16 Y17", - " V4 U6 U5 U2 V3 W3 U7 V6", - " Y3 Y2 V2 V1 W1 Y1 AB2 AC2", - " AA4 AB4 AC4 AC3 AC6 AB6 Y6 Y5", - " AD4 AD1 AF2 AE2 AE6 AE5 AF3 AE3"), - IOStandard("SSTL15_T_DCI")), - Subsignal("dqs_p", Pins("AE18 Y15 AD20 W18 W6 AB1 AA5 AF5"), - IOStandard("DIFF_SSTL15_T_DCI")), - Subsignal("dqs_n", Pins("AF18 Y16 AE20 W19 W5 AC1 AB5 AF4"), - IOStandard("DIFF_SSTL15_T_DCI")), - Subsignal("clk_p", Pins("AC9"), - IOStandard("DIFF_SSTL15"), Misc("IO_BUFFER_TYPE=NONE")), - Subsignal("clk_n", Pins("AD9"), - IOStandard("DIFF_SSTL15"), Misc("IO_BUFFER_TYPE=NONE")), - Subsignal("cke", Pins("AB9"), IOStandard("SSTL15")), - Subsignal("odt", Pins("AA12"), IOStandard("SSTL15")), - Subsignal("reset_n", Pins("AB20"), IOStandard("LVCMOS15")), - Misc("SLEW=FAST"), - Misc("VCCAUX_IO=NORMAL") - ), - # 2 Rank Signals: - # Subsignal("cs_n", Pins("AD13"), IOStandard("SSTL15")), - # Subsignal("clk_p", Pins("AA10"), IOStandard("DIFF_SSTL15")), - # Subsignal("clk_n", Pins("AB10"), IOStandard("DIFF_SSTL15")), - # Subsignal("cke", Pins("AA9"), IOStandard("SSTL15")), - # Subsignal("odt", Pins("Y13"), IOStandard("SSTL15")), + # DDR3 SDRAM + ("ddram", 0, + Subsignal("a", Pins( + "AB7 AD11 AA8 AF10 AC7 AE11 AC8 AD8", + "AC13 AF12 AF9 AD10 AE13 AF7 AB12 AC12"), + IOStandard("SSTL15")), + Subsignal("ba", Pins("AE8 AA7 AF13"), IOStandard("SSTL15")), + Subsignal("ras_n", Pins("Y7"), IOStandard("SSTL15")), + Subsignal("cas_n", Pins("AE7"), IOStandard("SSTL15")), + Subsignal("we_n", Pins("AF8"), IOStandard("SSTL15")), + Subsignal("cs_n", Pins("AA13"), IOStandard("SSTL15")), + Subsignal("dm", Pins( + "AD16 AB16 AB19 V17 U1 AA3 AD6 AE1"), + IOStandard("SSTL15")), + Subsignal("dq", Pins( + "AF17 AE17 AF15 AF14 AE15 AD15 AF20 AF19", + "AA15 AA14 AC14 AD14 AB14 AB15 AA18 AA17", + "AC18 AD18 AC17 AB17 AA20 AA19 AD19 AC19", + " W14 V14 V19 V18 V16 W15 W16 Y17", + " V4 U6 U5 U2 V3 W3 U7 V6", + " Y3 Y2 V2 V1 W1 Y1 AB2 AC2", + " AA4 AB4 AC4 AC3 AC6 AB6 Y6 Y5", + " AD4 AD1 AF2 AE2 AE6 AE5 AF3 AE3"), + IOStandard("SSTL15_T_DCI")), + Subsignal("dqs_p", Pins("AE18 Y15 AD20 W18 W6 AB1 AA5 AF5"), + IOStandard("DIFF_SSTL15_T_DCI")), + Subsignal("dqs_n", Pins("AF18 Y16 AE20 W19 W5 AC1 AB5 AF4"), + IOStandard("DIFF_SSTL15_T_DCI")), + Subsignal("clk_p", Pins("AC9"), + IOStandard("DIFF_SSTL15"), Misc("IO_BUFFER_TYPE=NONE")), + Subsignal("clk_n", Pins("AD9"), + IOStandard("DIFF_SSTL15"), Misc("IO_BUFFER_TYPE=NONE")), + Subsignal("cke", Pins("AB9"), IOStandard("SSTL15")), + Subsignal("odt", Pins("AA12"), IOStandard("SSTL15")), + Subsignal("reset_n", Pins("AB20"), IOStandard("LVCMOS15")), + Misc("SLEW=FAST"), + Misc("VCCAUX_IO=NORMAL") + ), + # 2 Rank Signals: + # Subsignal("cs_n", Pins("AD13"), IOStandard("SSTL15")), + # Subsignal("clk_p", Pins("AA10"), IOStandard("DIFF_SSTL15")), + # Subsignal("clk_n", Pins("AB10"), IOStandard("DIFF_SSTL15")), + # Subsignal("cke", Pins("AA9"), IOStandard("SSTL15")), + # Subsignal("odt", Pins("Y13"), IOStandard("SSTL15")), - ## TODO verify / test - # # SPIFlash - # ("spiflash", 0, - # Subsignal("cs_n", Pins("C23")), - # Subsignal("clk", Pins("C8")), - # Subsignal("dq", Pins("B24 A25 B22 A22")), - # IOStandard("LVCMOS25") - # ), + ## TODO verify / test + # # SPIFlash + # ("spiflash", 0, + # Subsignal("cs_n", Pins("C23")), + # Subsignal("clk", Pins("C8")), + # Subsignal("dq", Pins("B24 A25 B22 A22")), + # IOStandard("LVCMOS25") + # ), - # Sata - ("sata", 0, - Subsignal("rx_p", Pins("R4")), - Subsignal("rx_n", Pins("R3")), - Subsignal("tx_p", Pins("P2")), - Subsignal("tx_n", Pins("P1")), - IOStandard("LVCMOS33"), - ), - ("sata", 1, - Subsignal("rx_p", Pins("N4")), - Subsignal("rx_n", Pins("N3")), - Subsignal("tx_p", Pins("M2")), - Subsignal("tx_n", Pins("M1")), - IOStandard("LVCMOS33"), - ), + # Sata + ("sata", 0, + Subsignal("rx_p", Pins("R4")), + Subsignal("rx_n", Pins("R3")), + Subsignal("tx_p", Pins("P2")), + Subsignal("tx_n", Pins("P1")), + ), + ("sata", 1, + Subsignal("rx_p", Pins("N4")), + Subsignal("rx_n", Pins("N3")), + Subsignal("tx_p", Pins("M2")), + Subsignal("tx_n", Pins("M1")), + ), - # SDCard - ("spisdcard", 0, - Subsignal("clk", Pins("N21")), - Subsignal("cs_n", Pins("P19")), - Subsignal("mosi", Pins("U21"), Misc("PULLUP True")), - Subsignal("miso", Pins("N16"), Misc("PULLUP True")), - Misc("SLEW=FAST"), - IOStandard("LVCMOS25") - ), - ("sdcard", 0, - Subsignal("clk", Pins("N21")), - Subsignal("cmd", Pins("U21"), Misc("PULLUP True")), - Subsignal("data", Pins("N16 U16 N22 P19"), Misc("PULLUP True")), - Misc("SLEW=FAST"), - IOStandard("LVCMOS25") - ), + # SDCard + ("spisdcard", 0, + Subsignal("clk", Pins("N21")), + Subsignal("cs_n", Pins("P19")), + Subsignal("mosi", Pins("U21"), Misc("PULLUP True")), + Subsignal("miso", Pins("N16"), Misc("PULLUP True")), + Misc("SLEW=FAST"), + IOStandard("LVCMOS" + VCCIO) + ), + ("sdcard", 0, + Subsignal("clk", Pins("N21")), + Subsignal("cmd", Pins("U21"), Misc("PULLUP True")), + Subsignal("data", Pins("N16 U16 N22 P19"), Misc("PULLUP True")), + Misc("SLEW=FAST"), + IOStandard("LVCMOS" + VCCIO) + ), - # GMII Ethernet - ("eth_clocks", 0, - Subsignal("tx", Pins("E12"), IOStandard("LVCMOS25")), - Subsignal("gtx", Pins("F13"), IOStandard("LVCMOS25")), - Subsignal("rx", Pins("C12"), IOStandard("LVCMOS25")) - ), - ("eth_clocks", 1, - Subsignal("tx", Pins("C9"), IOStandard("LVCMOS25")), - Subsignal("gtx", Pins("D8"), IOStandard("LVCMOS25")), - Subsignal("rx", Pins("E10"), IOStandard("LVCMOS25")) - ), - ("eth", 0, - Subsignal("rst_n", Pins("D11")), - # Subsignal("int_n", Pins("")), - Subsignal("mdio", Pins("K15")), - Subsignal("mdc", Pins("M16")), - Subsignal("rx_dv", Pins("G14")), - Subsignal("rx_er", Pins("F14")), - Subsignal("rx_data", Pins("H14 J14 J13 H13 B15 A15 B14 A14")), - Subsignal("tx_en", Pins("F12")), - Subsignal("tx_er", Pins("E13")), - Subsignal("tx_data", Pins("G12 E11 G11 C14 D14 C13 C11 D13")), - IOStandard("LVCMOS25") - ), - ("eth", 1, - Subsignal("rst_n", Pins("J8")), - # Subsignal("int_n", Pins("")), - Subsignal("mdio", Pins("G9")), - Subsignal("mdc", Pins("H8")), - Subsignal("rx_dv", Pins("A12")), - Subsignal("rx_er", Pins("D10")), - Subsignal("rx_data", Pins("A13 B12 B11 A10 B10 A9 B9 A8")), - Subsignal("tx_en", Pins("F8")), - Subsignal("tx_er", Pins("D9")), - Subsignal("tx_data", Pins("H11 J11 H9 J10 H12 F10 G10 F9")), - IOStandard("LVCMOS25") - ), + # GMII Ethernet + ("eth_clocks", 0, + Subsignal("tx", Pins("E12"), IOStandard("LVCMOS25")), + Subsignal("gtx", Pins("F13"), IOStandard("LVCMOS25")), + Subsignal("rx", Pins("C12"), IOStandard("LVCMOS25")) + ), + ("eth_clocks", 1, + Subsignal("tx", Pins("C9"), IOStandard("LVCMOS25")), + Subsignal("gtx", Pins("D8"), IOStandard("LVCMOS25")), + Subsignal("rx", Pins("E10"), IOStandard("LVCMOS25")) + ), + ("eth", 0, + Subsignal("rst_n", Pins("D11")), + # Subsignal("int_n", Pins("")), + Subsignal("mdio", Pins("K15")), + Subsignal("mdc", Pins("M16")), + Subsignal("rx_dv", Pins("G14")), + Subsignal("rx_er", Pins("F14")), + Subsignal("rx_data", Pins("H14 J14 J13 H13 B15 A15 B14 A14")), + Subsignal("tx_en", Pins("F12")), + Subsignal("tx_er", Pins("E13")), + Subsignal("tx_data", Pins("G12 E11 G11 C14 D14 C13 C11 D13")), + IOStandard("LVCMOS25") + ), + ("eth", 1, + Subsignal("rst_n", Pins("J8")), + # Subsignal("int_n", Pins("")), + Subsignal("mdio", Pins("G9")), + Subsignal("mdc", Pins("H8")), + Subsignal("rx_dv", Pins("A12")), + Subsignal("rx_er", Pins("D10")), + Subsignal("rx_data", Pins("A13 B12 B11 A10 B10 A9 B9 A8")), + Subsignal("tx_en", Pins("F8")), + Subsignal("tx_er", Pins("D9")), + Subsignal("tx_data", Pins("H11 J11 H9 J10 H12 F10 G10 F9")), + IOStandard("LVCMOS25") + ), - # HDMI out - ("hdmi_out", 0, - Subsignal("clk_p", Pins("R21"), IOStandard("TMDS_33")), - Subsignal("clk_n", Pins("P21"), IOStandard("TMDS_33")), - Subsignal("data0_p", Pins("N18"), IOStandard("TMDS_33")), - Subsignal("data0_n", Pins("M19"), IOStandard("TMDS_33")), - Subsignal("data1_p", Pins("M21"), IOStandard("TMDS_33")), - Subsignal("data1_n", Pins("M22"), IOStandard("TMDS_33")), - Subsignal("data2_p", Pins("K25"), IOStandard("TMDS_33")), - Subsignal("data2_n", Pins("K26"), IOStandard("TMDS_33")), - Subsignal("scl", Pins("K21"), IOStandard("LVCMOS33")), - Subsignal("sda", Pins("L23"), IOStandard("LVCMOS33")), - Subsignal("hdp", Pins("N26"), IOStandard("LVCMOS33")), - Subsignal("cec", Pins("M26"), IOStandard("LVCMOS33")), - ), + # HDMI out + ("hdmi_out", 0, + Subsignal("clk_p", Pins("R21"), IOStandard("TMDS_" + VCCIO)), + Subsignal("clk_n", Pins("P21"), IOStandard("TMDS_" + VCCIO)), + Subsignal("data0_p", Pins("N18"), IOStandard("TMDS_" + VCCIO)), + Subsignal("data0_n", Pins("M19"), IOStandard("TMDS_" + VCCIO)), + Subsignal("data1_p", Pins("M21"), IOStandard("TMDS_" + VCCIO)), + Subsignal("data1_n", Pins("M22"), IOStandard("TMDS_" + VCCIO)), + Subsignal("data2_p", Pins("K25"), IOStandard("TMDS_" + VCCIO)), + Subsignal("data2_n", Pins("K26"), IOStandard("TMDS_" + VCCIO)), + Subsignal("scl", Pins("K21"), IOStandard("LVCMOS" + VCCIO)), + Subsignal("sda", Pins("L23"), IOStandard("LVCMOS" + VCCIO)), + Subsignal("hdp", Pins("N26"), IOStandard("LVCMOS" + VCCIO)), + Subsignal("cec", Pins("M26"), IOStandard("LVCMOS" + VCCIO)), + ), - # PCIe - ("pcie_x1", 0, - Subsignal("rst_n", Pins("E17"), IOStandard("LVCMOS15")), - Subsignal("clk_p", Pins("H6")), - Subsignal("clk_n", Pins("H5")), - Subsignal("rx_p", Pins("B6")), - Subsignal("rx_n", Pins("B5")), - Subsignal("tx_p", Pins("A4")), - Subsignal("tx_n", Pins("A3")) - ), - ("pcie_x2", 0, - Subsignal("rst_n", Pins("E17"), IOStandard("LVCMOS15")), - Subsignal("clk_p", Pins("H6")), - Subsignal("clk_n", Pins("H5")), - Subsignal("rx_p", Pins("B6 C4")), - Subsignal("rx_n", Pins("B5 C3")), - Subsignal("tx_p", Pins("A4 B2")), - Subsignal("tx_n", Pins("A3 B1")) - ), - ("pcie_x4", 0, - Subsignal("rst_n", Pins("E17"), IOStandard("LVCMOS15")), - Subsignal("clk_p", Pins("H6")), - Subsignal("clk_n", Pins("H5")), - Subsignal("rx_p", Pins("B6 C4 E4 G4")), - Subsignal("rx_n", Pins("B5 C3 E3 G3")), - Subsignal("tx_p", Pins("A4 B2 D2 F2")), - Subsignal("tx_n", Pins("A3 B1 D1 F1")) - ), + # PCIe + ("pcie_x1", 0, + Subsignal("rst_n", Pins("E17"), IOStandard("LVCMOS15")), + Subsignal("clk_p", Pins("H6")), + Subsignal("clk_n", Pins("H5")), + Subsignal("rx_p", Pins("B6")), + Subsignal("rx_n", Pins("B5")), + Subsignal("tx_p", Pins("A4")), + Subsignal("tx_n", Pins("A3")) + ), + ("pcie_x2", 0, + Subsignal("rst_n", Pins("E17"), IOStandard("LVCMOS15")), + Subsignal("clk_p", Pins("H6")), + Subsignal("clk_n", Pins("H5")), + Subsignal("rx_p", Pins("B6 C4")), + Subsignal("rx_n", Pins("B5 C3")), + Subsignal("tx_p", Pins("A4 B2")), + Subsignal("tx_n", Pins("A3 B1")) + ), + ("pcie_x4", 0, + Subsignal("rst_n", Pins("E17"), IOStandard("LVCMOS15")), + Subsignal("clk_p", Pins("H6")), + Subsignal("clk_n", Pins("H5")), + Subsignal("rx_p", Pins("B6 C4 E4 G4")), + Subsignal("rx_n", Pins("B5 C3 E3 G3")), + Subsignal("tx_p", Pins("A4 B2 D2 F2")), + Subsignal("tx_n", Pins("A3 B1 D1 F1")) + ), - # TODO find / test - # # SGMII Clk - # ("sgmii_clock", 0, - # Subsignal("p", Pins("")), - # Subsignal("n", Pins("")) - # ), + # TODO find / test + # # SGMII Clk + # ("sgmii_clock", 0, + # Subsignal("p", Pins("")), + # Subsignal("n", Pins("")) + # ), - # SFP - ("sfp_a", 0, # SFP A - Subsignal("txp", Pins("H2")), - Subsignal("txn", Pins("H1")), - Subsignal("rxp", Pins("J4")), - Subsignal("rxn", Pins("J3")), - Subsignal("sda", Pins("B21")), - Subsignal("scl", Pins("C21")), - ), - ("sfp_a_tx", 0, # SFP A - Subsignal("p", Pins("H2")), - Subsignal("n", Pins("H1")) - ), - ("sfp_a_rx", 0, # SFP A - Subsignal("p", Pins("J4")), - Subsignal("n", Pins("J3")) - ), - ("sfp_b", 0, # SFP B - Subsignal("txp", Pins("K2")), - Subsignal("txn", Pins("K1")), - Subsignal("rxp", Pins("L4")), - Subsignal("rxn", Pins("L3")), - Subsignal("sda", Pins("D21")), - Subsignal("scl", Pins("C22")), - ), - ("sfp_b_tx", 0, # SFP B - Subsignal("p", Pins("K2")), - Subsignal("n", Pins("K1")) - ), - ("sfp_b_rx", 0, # SFP B - Subsignal("p", Pins("L4")), - Subsignal("n", Pins("L3")) - ), + # SFP + ("sfp_a", 0, # SFP A + Subsignal("txp", Pins("H2")), + Subsignal("txn", Pins("H1")), + Subsignal("rxp", Pins("J4")), + Subsignal("rxn", Pins("J3")), + Subsignal("sda", Pins("B21")), + Subsignal("scl", Pins("C21")), + ), + ("sfp_a_tx", 0, # SFP A + Subsignal("p", Pins("H2")), + Subsignal("n", Pins("H1")) + ), + ("sfp_a_rx", 0, # SFP A + Subsignal("p", Pins("J4")), + Subsignal("n", Pins("J3")) + ), + ("sfp_b", 0, # SFP B + Subsignal("txp", Pins("K2")), + Subsignal("txn", Pins("K1")), + Subsignal("rxp", Pins("L4")), + Subsignal("rxn", Pins("L3")), + Subsignal("sda", Pins("D21")), + Subsignal("scl", Pins("C22")), + ), + ("sfp_b_tx", 0, # SFP B + Subsignal("p", Pins("K2")), + Subsignal("n", Pins("K1")) + ), + ("sfp_b_rx", 0, # SFP B + Subsignal("p", Pins("L4")), + Subsignal("n", Pins("L3")) + ), - # SI5338 (optional part per seller?) - ("si5338_i2c", 0, - Subsignal("sck", Pins("U19"), IOStandard("LVCMOS25")), - Subsignal("sda", Pins("U20"), IOStandard("LVCMOS25")) - ), - ("si5338_clkin", 0, # CLK2A/B - Subsignal("p", Pins("K6"), IOStandard("LVDS_25")), - Subsignal("n", Pins("K5"), IOStandard("LVDS_25")) - ), -] + # SI5338 (optional part per seller?) + ("si5338_i2c", 0, + Subsignal("sck", Pins("U19"), IOStandard("LVCMOS" + VCCIO)), + Subsignal("sda", Pins("U20"), IOStandard("LVCMOS" + VCCIO)) + ), + ("si5338_clkin", 0, # CLK2A/B + Subsignal("p", Pins("K6"), IOStandard("LVDS_25")), + Subsignal("n", Pins("K5"), IOStandard("LVDS_25")) + ), + ] + + return _io # Connectors --------------------------------------------------------------------------------------- @@ -463,8 +466,8 @@ class Platform(Xilinx7SeriesPlatform): default_clk_name = "clk200" default_clk_period = 1e9/200e6 - def __init__(self): - Xilinx7SeriesPlatform.__init__(self, "xc7k325t-ffg676-2", _io, _connectors, toolchain="vivado") + def __init__(self, vccio="2.5V"): + Xilinx7SeriesPlatform.__init__(self, "xc7k325t-ffg676-2", _get_io(vccio), _connectors, toolchain="vivado") self.add_platform_command(""" set_property CFGBVS VCCO [current_design] set_property CONFIG_VOLTAGE 2.5 [current_design] diff --git a/litex_boards/targets/sitlinv_stlv7325.py b/litex_boards/targets/sitlinv_stlv7325.py index 6c063d8..d9d8e7f 100755 --- a/litex_boards/targets/sitlinv_stlv7325.py +++ b/litex_boards/targets/sitlinv_stlv7325.py @@ -71,6 +71,7 @@ class _CRG(LiteXModule): class BaseSoC(SoCCore): def __init__(self, sys_clk_freq=100e6, + vccio = "2.5V", with_ethernet = False, with_etherbone = False, local_ip = "192.168.1.50", @@ -84,7 +85,7 @@ class BaseSoC(SoCCore): with_video_framebuffer = False, with_video_terminal = False, **kwargs): - platform = sitlinv_stlv7325.Platform() + platform = sitlinv_stlv7325.Platform(vccio) # CRG -------------------------------------------------------------------------------------- self.crg = _CRG(platform, sys_clk_freq) @@ -189,6 +190,7 @@ def main(): from litex.build.parser import LiteXArgumentParser parser = LiteXArgumentParser(platform=sitlinv_stlv7325.Platform, description="LiteX SoC on AliExpress STLV7325.") parser.add_target_argument("--sys-clk-freq", default=100e6, type=float, help="System clock frequency.") + parser.add_target_argument("--vccio", default="2.5V", type=str, help="IO Voltage (set by J4), can be 2.5V or 3.3V") ethopts = parser.target_group.add_mutually_exclusive_group() ethopts.add_argument("--with-ethernet", action="store_true", help="Enable Ethernet support.") ethopts.add_argument("--with-etherbone", action="store_true", help="Enable Etherbone support.") @@ -212,6 +214,7 @@ def main(): soc = BaseSoC( sys_clk_freq = args.sys_clk_freq, + vccio = args.vccio, with_ethernet = args.with_ethernet, with_etherbone = args.with_etherbone, local_ip = args.local_ip,